Improvement in bungs



P.TUCHPARBER. Bung.

Patented Dec.2,1879f No.222Je4.

Inventoi'. m% 7% Attest.

N, PETERS. PHOTO LITHOGRAPHER ASH NGT U ITED Snares PATENT Fma.

FRANK TUOHFARBER, OF CINCINNATI, OHIO.

IMPROVEMENT IN BUNGS.

Specification forming part of Letters Patent No. 222,164, dated December 2, 1879; application filed July 15, 1879. 1

To all whom it may concern:

Be it known that I, FRANK TUOHFARBER, of the city of Cincinnati, in the county of Hamilton and State of Ohio, have invented certain new and useful Improvements in Bungs, of which the following is a specification.

The more prominent feature of my invention consists in an elastic substance applied by appropriate devices to the interior of the stave at the bottom of the bung-hole in such a manner as to completely close the bung-hole.

The other features of my invention, and

which will be apparent from a subsequent description thereof, consist of devices for successfully carrying into effect the first portion of my invention.

My invention provides a bung which can be easily and quickly removed from the bunghole of the barrel, keg, cask, 850., to which it is applied, and as quickly replaced in the said hole, and caused to close the latter. 7

Among the many advantages derived from the use of my invention are the following, viz The bung is permanent and durable, and capable of use for many years, and will outlast the barrel, &c., to which it is first applied, and can then be employed with a' second one, and so on. The bung is applicable to the ordinary bung-hole just as itis-that is, the surface of the bung-hole or the stave containing it does not require to be worked over or altered before inserting the bung. Any outward pressure of liquid or gas within the barrel, 850.,

and the bung-hole closed; and Fig. 3 showing a modification of the devices for compressing the bung.

A indicates the barrel-stave, and B the bung-hole. O is the bung, consisting of various parts as follows, viz.-. D is a center-piece, provided with a central recess, a, in its upper part. The sides I) of piece D preferably fit closely, but not tightly, within the bung-hole. The upper part of piece D is providedwith flanges or one circular flange, d, which laps over and rests upon the outside of the stave. The middle portion, 6, of the piece D forms a truncated cone, and ends in a cylindrical extension, f. These conical and cylindrical portions are surrounded by a gasket, E, (or stopper,) of rubber or other elastic material, which stopper, in interior configuration, conforms. to the shape of said portions 0 and f, and fits them closely. This stopper is exteriorly in the shape of a segment of a cylinder, whose diameter is a trifle less than that of the bunghole B. Below piece D is another piece, H, provided with a broad annular bearing, g, supporting the gasket E, and provided wit-h a circular recess, h, open above and closed below, (except where rod or screw K passes through,) and of such size as to accurately fit over and receive the cylindrical portion fol piece D, when the pieces 11 and D are pressed together. A screw, K, provided with head on in recess a, engages a female screw, a, in piece D, and passes through and projects beyond the bottom it of the piece H. Upon this portion of the screw which projects beyond the piece 11 are a couple of set-nuts, V W.

The mode in which my invention operates is as follows: The bung, being in the position shown in Fig. 1, is inserted into the bunghole until the flange d rests upon the outer surface of the stave. A screw-driver is then inserted into the slot y of the screw-head m, and the screw turned so as to draw up the piece H toward piece D. I As the pieces H and D approach each other they compress the rubber gasket or disk E, which, from the pressure of the pieces D and H at its sides, is forced outward and caused to assume the position shown in Fig. 2. p

The wedge form of part c of piece D aids and facilitates the rubber while being compressed in spreading beyond the sides of piece D, and in overlapping the lower edges of the bunghole, and extending over the lower surface of the stave beyond the surface of the bung-hole.

The movement of piece H toward piece D brings the extended rubber tightly against the under side of the bunghole and stare, and thus completely stops the hole. When the rubber, by reason of wear, becomes permanently somewhat compressed and thinner, the change in the thickness of the rubber may he obviated by resetting the set-nut V W 011 screw-rod K closer to the piece D.

The amount of compression which the rubber is to receive, and consequent extent of the spread of the rubber when compressed, is attained by the setting of the set-nuts on the rod K nearer to or farther from the piece D.

\Vhen preferred, the slanting sides of the conical portion 0 may be omitted and the piece become the same and one with the extension f. Also, a button may be substituted for the setnuts V \V, but is somewhat objectionable, as not enabling the length of the rod K between the head and the button to be regulated to fit the special thickness of rubber to be employed, or vary, as desired, the amount of pressure upon the rubber.

hen preferred, a square head maybe substituted for the slotted head on and the said head turned by a wrench or key.

There are many other forms of devices which can be employed to carry into elfect the first and principal portion of my invention. One of such forms is shown in Fig. 3, where the rod K is elevated by means of inclines M, as follows: The end of the rod is provided with horizontal arms N, one of which rests upon the face of its respective incline, as shown.

A turn-key or wrench being placed over the arms, and the rod being thereby rotated, the arms will be forced up the inclines until they rest upon the flat faces Z. The rubber is thus compressed and the bnng-hole closed.

To open the bun g-hole, the foregoing operation is reversed. In such instance the employment of a screw to elevate or depress the rod K in reference to portion D is dispensed with. The rod K may be perforated for a vent, this vent-opening connecting the interior of the barrel with the outer air, and being closed by any appropriate means, as screw, stopper, 85c. What I claim as new and of my invention 1s- 1. In a hung, the combination of the piece I) d and wedge 0, whose beveled sides are located below the inner surface of the cask, and elastic disk E, likewise located below the inner surface of the cask, said wedgebein g adapted to impinge against the central opening of the disk, and piece If, located below the disk E, and tightening-screw K, and the nuts V W, substantially as and for the purposes specified.

2. In a hung, the combination of piece D, closely fitting the bun g-hole, and provided with a shoulder located at or below the inner surface of the cask, and piece H, also located below the inner surface of said cask, rubber E, located between said shoulder of piece D and-the piece H, and of less diameter than the bung-hole, and sufficiently thick to expand when compressed beyond the edges of the bung-hole and rest against the inner surface of the cask, and tightening-screw K and the nuts V W, substantially as and for the purposes specified.

3. The combination of piece D,provided with flange d and parts 0 and f, and the piece H, provided with shoulders g and bottom It, and the screw-rod K, provided with an appropriate head for turning it, and with set-nuts V W, and the elastic stopper E, substantially as and for the purposes specified.

FRANK TUGHFARBER.

Attest:

E. R. HILL, J'No. W. STREIILI. 

